123432238 has 8 divisors (see below), whose sum is σ = 185425488. Its totient is φ = 61623744.

The previous prime is 123432233. The next prime is 123432271. The reversal of 123432238 is 832234321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123432233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44506 + ... + 47197.

It is an arithmetic number, because the mean of its divisors is an integer number (23178186).

Almost surely, 2^123432238 is an apocalyptic number.

123432238 is a deficient number, since it is larger than the sum of its proper divisors (61993250).

123432238 is an equidigital number, since it uses as much as digits as its factorization.

123432238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92378.

The product of its digits is 6912, while the sum is 28.

The square root of 123432238 is about 11110.0062106193. The cubic root of 123432238 is about 497.9008501394.

Adding to 123432238 its reverse (832234321), we get a palindrome (955666559).

The spelling of 123432238 in words is "one hundred twenty-three million, four hundred thirty-two thousand, two hundred thirty-eight".